{"id":10594,"date":"2026-02-19T16:15:14","date_gmt":"2026-02-20T00:15:14","guid":{"rendered":"https:\/\/zxi.mytechroad.com\/blog\/?p=10594"},"modified":"2026-02-19T16:15:18","modified_gmt":"2026-02-20T00:15:18","slug":"why-4k-streaming-looks-like-mosaic","status":"publish","type":"post","link":"https:\/\/zxi.mytechroad.com\/blog\/video\/why-4k-streaming-looks-like-mosaic\/","title":{"rendered":"\u4e3a\u4ec0\u4e484K\u6d41\u5a92\u4f53\u770b\u76f4\u64ad\u6ee1\u5c4f\u9a6c\u8d5b\u514b\uff1f\u6df1\u5ea6\u89e3\u6790\u56db\u5927\u89c6\u9891\u4f20\u8f93\u67b6\u6784\u7684\u5e95\u5c42\u903b\u8f91"},"content":{"rendered":"\n<p>\u5f88\u591a\u4eba\u5728\u89c2\u770b\u5404\u5730\u6625\u665a\u3001\u8de8\u5e74\u6f14\u5531\u4f1a\u7b49\u5927\u578b\u76f4\u64ad\u8282\u76ee\u65f6\uff0c\u90fd\u4f1a\u4ea7\u751f\u4e00\u79cd\u5f3a\u70c8\u7684\u89c6\u89c9\u843d\u5dee\uff1a\u5728\u6807\u79f01080P\u751a\u81f34K\u7684YouTube\u7b49\u6d41\u5a92\u4f53\u5e73\u53f0\u4e0a\uff0c\u753b\u9762\u7ecf\u5e38\u60e8\u4e0d\u5fcd\u7779\uff0c\u4eba\u8138\u6a21\u7cca\u4e0d\u6e05\uff0c\u6ee1\u5c4f\u90fd\u662f\u9a6c\u8d5b\u514b\u3002\u8fd9\u79cd\u4f53\u9a8c\u751a\u81f3\u8ba9\u4eba\u89c9\u5f97\uff0c\u73b0\u5728\u7684\u6d41\u5a92\u4f53\u753b\u8d28\u8fd8\u4e0d\u5982\u7ae5\u5e74\u65f6\u4ee3\u901a\u8fc7\u540c\u8f74\u7535\u7f06\u89c2\u770b\u7684\u6709\u7ebf\u7535\u89c6\u3002<\/p>\n\n\n\n<p>\u8fd9\u5e76\u975e\u51fa\u4e8e\u6000\u65e7\u7684\u5fc3\u7406\u6ee4\u955c\uff0c\u800c\u662f\u4e00\u4e2a\u6781\u5176\u7cbe\u51c6\u4e14\u7b26\u5408\u73b0\u4ee3\u89c6\u9891\u7f16\u89e3\u7801\u4e0e\u7f51\u7edc\u4f20\u8f93\u5e95\u5c42\u903b\u8f91\u7684\u6280\u672f\u89c2\u5bdf\u3002\u957f\u89c6\u9891\u53e0\u52a0\u968f\u610f\u7684\u538b\u7f29\u53c2\u6570\uff0c\u4ee5\u53ca\u6d41\u5a92\u4f53\u65f6\u4ee3\u201c\u5e26\u5bbd\u5373\u6210\u672c\u201d\u7684\u5546\u4e1a\u903b\u8f91\uff0c\u5171\u540c\u7f14\u9020\u4e86\u8fd9\u79cd\u753b\u8d28\u964d\u7ea7\u7684\u73b0\u8c61\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u5f7b\u5e95\u5398\u6e05\u8fd9\u4e2a\u6280\u672f\u73b0\u8c61\uff0c\u672c\u6587\u5c06\u4ee5\u5ba2\u89c2\u7684\u6280\u672f\u89c6\u89d2\uff0c\u6df1\u5ea6\u5256\u6790\u89c6\u9891\u4f20\u8f93\u9886\u57df\u7684\u56db\u5927\u6838\u5fc3\u67b6\u6784\uff1a\u5e7f\u64ad\u7535\u89c6\u3001\u6709\u7ebf\u7535\u89c6\u3001IPTV\u4ee5\u53ca\u6d41\u5a92\u4f53\uff08OTT\uff09\uff0c\u5e76\u7279\u522b\u5f15\u5165\u592e\u89c68K\u8d85\u9ad8\u6e05\u9891\u9053\u7684\u7ec8\u6781\u6280\u672f\u89c4\u683c\u4f5c\u4e3a\u53c2\u7167\u7cfb\u3002\u901a\u8fc7\u5bf9\u6bd4\u5b83\u4eec\u7684\u5e95\u5c42\u7269\u7406\u5a92\u4ecb\u3001\u7f51\u7edc\u4f20\u8f93\u534f\u8bae\u3001\u7f16\u89e3\u7801\u7b56\u7565\u4ee5\u53ca\u5546\u4e1a\u9a71\u52a8\u529b\uff0c\u6765\u63ed\u5f00\u8fd9\u573a\u753b\u8d28\u6f14\u53d8\u80cc\u540e\u7684\u771f\u6b63\u539f\u56e0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u89c6\u9891\u753b\u8d28\u7684\u6838\u5fc3\u6096\u8bba\uff1a\u5206\u8fa8\u7387\u4e0d\u7b49\u4e8e\u6e05\u6670\u5ea6<\/h3>\n\n\n\n<p>\u5728\u6df1\u5165\u63a2\u8ba8\u56db\u5927\u4f20\u8f93\u67b6\u6784\u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u786e\u7acb\u4e00\u4e2a\u89c6\u9891\u5de5\u7a0b\u5b66\u7684\u57fa\u7840\u5171\u8bc6\uff1a\u5206\u8fa8\u7387\u4ec5\u4ec5\u4ee3\u8868\u753b\u9762\u5305\u542b\u7684\u50cf\u7d20\u6570\u91cf\uff0c\u800c\u771f\u6b63\u51b3\u5b9a\u4eba\u773c\u611f\u77e5\u753b\u9762\u7684\u6e05\u6670\u5ea6\u4e0e\u5e72\u51c0\u7a0b\u5ea6\u7684\u6838\u5fc3\u6307\u6807\uff0c\u662f\u7801\u7387\uff08Bitrate\uff09\u3002<\/p>\n\n\n\n<p>\u7801\u7387\u662f\u6307\u5355\u4f4d\u65f6\u95f4\u5185\u4f20\u8f93\u7684\u89c6\u9891\u6570\u636e\u91cf\u3002\u5728\u89c6\u9891\u7f16\u7801\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8e\u539f\u59cb\u65e0\u538b\u7f29\u7684\u89c6\u9891\u6570\u636e\u91cf\u8fc7\u4e8e\u5e9e\u5927\uff0c\u5fc5\u987b\u7ecf\u8fc7\u6709\u635f\u538b\u7f29\u624d\u80fd\u8fdb\u884c\u4f20\u8f93\u3002\u5f53\u4e00\u4e2a1080P\u7684\u89c6\u9891\u88ab\u5206\u914d\u4e86\u6781\u4f4e\u7684\u7801\u7387\u65f6\uff0c\u7f16\u7801\u5668\u4e3a\u4e86\u5728\u6709\u9650\u7684\u6570\u636e\u91cf\u5185\u5bb9\u7eb3\u4e0b\u6240\u6709\u7684\u50cf\u7d20\uff0c\u5c31\u5fc5\u987b\u91c7\u53d6\u6781\u5176\u6fc0\u8fdb\u7684\u538b\u7f29\u7b97\u6cd5\uff0c\u4e22\u5f03\u5927\u91cf\u7684\u753b\u9762\u7ec6\u8282\u3002\u8fd9\u5c31\u5bfc\u81f4\u4e86\u867d\u7136\u7269\u7406\u5206\u8fa8\u7387\u8fbe\u5230\u4e861920\u4e581080\uff0c\u4f46\u753b\u9762\u4e2d\u5145\u6ee1\u4e86\u88ab\u79f0\u4e3a\u201c\u5b8f\u533a\u5757\u201d\uff08Macroblocks\uff09\u7684\u9a6c\u8d5b\u514b\u7455\u75b5\u3002<\/p>\n\n\n\n<p>\u76f8\u53cd\uff0c\u4e00\u4e2a\u62e5\u6709\u9ad8\u7801\u7387\u652f\u6491\u7684720P\u89c6\u9891\uff0c\u7531\u4e8e\u5176\u538b\u7f29\u6bd4\u76f8\u5bf9\u4fdd\u5b88\uff0c\u4fdd\u7559\u4e86\u66f4\u591a\u7684\u539f\u59cb\u5149\u5b66\u4fe1\u606f\uff0c\u5728\u611f\u5b98\u4e0a\u5f80\u5f80\u4f1a\u6bd4\u4f4e\u7801\u7387\u7684\u201c\u4f2a4K\u201d\u89c6\u9891\u66f4\u52a0\u9510\u5229\u548c\u901a\u900f\u3002\u7406\u89e3\u4e86\u7801\u7387\u4f5c\u4e3a\u753b\u8d28\u74f6\u9888\u7684\u6838\u5fc3\u5730\u4f4d\uff0c\u5c31\u80fd\u987a\u7406\u6210\u7ae0\u5730\u770b\u61c2\u4e0d\u540c\u4f20\u8f93\u65f6\u4ee3\u7684\u753b\u8d28\u5dee\u5f02\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u3001 \u5e7f\u64ad\u7535\u89c6\uff08OTA\uff09\uff1a\u7535\u78c1\u6ce2\u91cc\u7684\u5c3d\u529b\u800c\u4e3a<\/h3>\n\n\n\n<p>\u5e7f\u64ad\u7535\u89c6\u662f\u4eba\u7c7b\u6700\u65e9\u63a5\u89e6\u7684\u7535\u89c6\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\u3002\u7535\u89c6\u53f0\u901a\u8fc7\u67b6\u8bbe\u5728\u9ad8\u5904\u7684\u53d1\u5c04\u5854\uff0c\u5c06\u643a\u5e26\u7740\u89c6\u9891\u4fe1\u606f\u7684\u65e0\u7ebf\u7535\u78c1\u6ce2\u53d1\u9001\u5230\u5343\u5bb6\u4e07\u6237\u7684\u63a5\u6536\u5929\u7ebf\u4e2d\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u4ece\u6a21\u62df\u5230\u6570\u5b57\u7684\u7269\u7406\u6f14\u8fdb<\/h4>\n\n\n\n<p>\u5728\u65e9\u671f\u7684\u6a21\u62df\u7535\u89c6\u65f6\u4ee3\uff0c\u89c6\u9891\u4fe1\u53f7\u662f\u4ee5\u8fde\u7eed\u7684\u7535\u78c1\u6ce2\u5f62\u5f0f\u5b58\u5728\u7684\u3002\u6a21\u62df\u4fe1\u53f7\u6ca1\u6709\u73b0\u4ee3\u610f\u4e49\u4e0a\u7684\u6570\u5b57\u538b\u7f29\u6982\u5ff5\uff0c\u56e0\u6b64\u4e5f\u4e0d\u5b58\u5728\u7531\u4e8e\u6570\u5b57\u7f16\u7801\u5bfc\u81f4\u7684\u4eba\u8138\u6a21\u7cca\u6216\u9a6c\u8d5b\u514b\u6548\u5e94\u3002\u53d7\u9650\u4e8e\u5f53\u65f6\u7684\u4f20\u8f93\u6807\u51c6\uff0c\u6a21\u62df\u7535\u89c6\u7684\u6e05\u6670\u5ea6\u8f83\u4f4e\uff0c\u4e14\u6781\u6613\u53d7\u5230\u7535\u78c1\u5e72\u6270\u4ece\u800c\u4ea7\u751f\u566a\u70b9\uff08\u96ea\u82b1\uff09\u548c\u91cd\u5f71\u3002\u7136\u800c\uff0c\u5f97\u76ca\u4e8e\u65e9\u671fCRT\u7535\u89c6\u673a\u81ea\u5e26\u7684\u7269\u7406\u67d4\u5316\u6548\u5e94\uff0c\u8fd9\u79cd\u6ca1\u6709\u6570\u5b57\u5207\u5272\u611f\u7684\u753b\u9762\u5728\u5f88\u591a\u4eba\u7684\u8bb0\u5fc6\u4e2d\u663e\u5f97\u975e\u5e38\u5e73\u6ed1\u3002<\/p>\n\n\n\n<p>\u8fdb\u5165\u6570\u5b57\u5730\u9762\u6ce2\u65f6\u4ee3\u540e\uff0c\u5e7f\u64ad\u7535\u89c6\u8fce\u6765\u4e86\u5f7b\u5e95\u7684\u6570\u5b57\u5316\u91cd\u6784\u3002\u6570\u5b57\u4fe1\u53f7\u91c7\u7528\u4e86MPEG-2\u6216H.264\u7b49\u6807\u51c6\u8fdb\u884c\u7f16\u7801\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u9891\u8c31\u8d44\u6e90\u9650\u5236\u4e0e\u6052\u5b9a\u7801\u7387\u63a7\u5236<\/h4>\n\n\n\n<p>\u5728\u5e7f\u64ad\u7535\u89c6\u67b6\u6784\u4e2d\uff0c\u7269\u7406\u5e26\u5bbd\u53d7\u5236\u4e8e\u56fd\u5bb6\u65e0\u7ebf\u7535\u9891\u8c31\u7684\u4e25\u683c\u7ba1\u63a7\u3002\u6839\u636e\u9999\u519c\u5b9a\u7406\uff0c\u4fe1\u9053\u5bb9\u91cf\u53d7\u9650\u4e8e\u5e26\u5bbd\u548c\u4fe1\u566a\u6bd4\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e00\u4e2a\u6807\u51c6\u7684\u7535\u89c6\u9891\u9053\u901a\u5e38\u88ab\u5206\u914d8MHz\u7684\u56fa\u5b9a\u9891\u5bbd\u3002\u901a\u8fc7\u91c7\u7528\u590d\u6742\u7684\u6570\u5b57\u8c03\u5236\u6280\u672f\uff0c\u8fd98MHz\u7684\u7269\u7406\u9891\u5bbd\u5927\u7ea6\u80fd\u591f\u627f\u8f7d20Mbps\u81f330Mbps\u7684\u603b\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u7535\u89c6\u53f0\u4f1a\u5c06\u8fd9\u6709\u9650\u7684\u603b\u7801\u7387\u9759\u6001\u5206\u914d\u7ed9\u5404\u4e2a\u9891\u9053\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u9ad8\u6e05\u9891\u9053\u53ef\u80fd\u4f1a\u88ab\u6c38\u4e45\u5206\u914d12Mbps\u7684\u5e26\u5bbd\u3002\u8fd9\u79cd\u5206\u914d\u6a21\u5f0f\u88ab\u79f0\u4e3a\u6052\u5b9a\u7801\u7387\uff08CBR\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u52a8\u6001\u573a\u666f\u4e0b\u7684\u753b\u8d28\u8868\u73b0<\/h4>\n\n\n\n<p>\u56e0\u4e3a\u5e7f\u64ad\u7535\u89c6\u91c7\u7528\u7684\u662f\u57fa\u4e8e\u7269\u7406\u9891\u6bb5\u7684\u5e7f\u64ad\u6a21\u5f0f\uff0c\u53ea\u8981\u63a5\u6536\u7aef\u7684\u4fe1\u53f7\u5f3a\u5ea6\u8d85\u8fc7\u6700\u4f4e\u9608\u503c\uff0c\u5176\u63a5\u6536\u5230\u7684\u7801\u7387\u5c31\u662f\u7edd\u5bf9\u7a33\u5b9a\u7684\u3002\u8fd9\u79cd\u6052\u5b9a\u4e14\u6709\u4fdd\u969c\u7684\u7801\u7387\uff0c\u4f7f\u5f97\u6570\u5b57\u5e7f\u64ad\u7535\u89c6\u5728\u5448\u73b0\u590d\u6742\u52a8\u6001\u753b\u9762\u65f6\u5177\u6709\u5f88\u9ad8\u7684\u7a33\u5b9a\u6027\u4e0b\u9650\uff0c\u4f46\u53d7\u9650\u4e8e\u4e0d\u53ef\u6269\u5c55\u7684\u9891\u8c31\u8d44\u6e90\uff0c\u5b83\u6c38\u8fdc\u5931\u53bb\u4e86\u5411\u6781\u9ad8\u7801\u73874K\u6f14\u8fdb\u7684\u7a7a\u95f4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u3001 \u6709\u7ebf\u7535\u89c6\uff08Cable TV\uff09\uff1a\u7269\u7406\u72ec\u5360\u4fe1\u9053\u7684\u9ec4\u91d1\u5c81\u6708<\/h3>\n\n\n\n<p>\u5f53\u6211\u4eec\u8ba8\u8bba\u753b\u8d28\u6781\u5176\u7a33\u5b9a\uff0c\u751a\u81f3\u4f18\u4e8e\u73b0\u4ee3\u6d41\u5a92\u4f53\u65f6\uff0c\u5f80\u5f80\u6307\u7684\u5c31\u662f\u4f20\u7edf\u7684\u540c\u8f74\u6709\u7ebf\u7535\u89c6\u3002\u8fd9\u79cd\u4f20\u8f93\u65b9\u5f0f\u5728\u753b\u8d28\u4e0a\u7684\u4f18\u5f02\u8868\u73b0\uff0c\u662f\u7531\u5176\u5962\u4f88\u7684\u7269\u7406\u67b6\u6784\u51b3\u5b9a\u7684\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u5149\u7ea4\u540c\u8f74\u6df7\u5408\u7f51\uff08HFC\uff09\u7684\u7269\u7406\u5c4f\u969c<\/h4>\n\n\n\n<p>\u6709\u7ebf\u7535\u89c6\u7f51\u7edc\u666e\u904d\u91c7\u7528HFC\u67b6\u6784\u3002\u524d\u7aef\u673a\u623f\u53d1\u51fa\u7684\u6570\u5b57\u7535\u89c6\u4fe1\u53f7\uff0c\u9996\u5148\u901a\u8fc7\u5927\u5bb9\u91cf\u5149\u7ea4\u4f20\u8f93\u81f3\u5c0f\u533a\u7684\u5149\u8282\u70b9\uff0c\u8fdb\u884c\u5149\u7535\u8f6c\u6362\u540e\uff0c\u518d\u901a\u8fc7\u540c\u8f74\u7535\u7f06\u8fde\u63a5\u5230\u673a\u9876\u76d2\u3002\u540c\u8f74\u7535\u7f06\u4e0d\u4ec5\u6297\u5e72\u6270\u80fd\u529b\u6781\u5f3a\uff0c\u800c\u4e14\u80fd\u591f\u63d0\u4f9b\u975e\u5e38\u5bbd\u5e7f\u7684\u5c04\u9891\u5e26\u5bbd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u9891\u5206\u590d\u7528\u4e0e\u8f66\u9053\u72ec\u5360\u539f\u5219<\/h4>\n\n\n\n<p>\u5e7f\u7535\u7f51\u7edc\u8fd0\u8425\u5546\u5229\u7528\u9891\u5206\u590d\u7528\u6280\u672f\uff0c\u5c06\u540c\u8f74\u7535\u7f06\u7684\u5de8\u5927\u9891\u6bb5\u5207\u5206\u6210\u4e86\u65e0\u6570\u4e2a8MHz\u4fe1\u9053\u3002\u5f53\u673a\u9876\u76d2\u8c03\u8c10\u5230\u67d0\u4e2a\u9891\u9053\u65f6\uff0c\u5e7f\u7535\u7f51\u7edc\u5b9e\u9645\u4e0a\u662f\u5728\u7269\u7406\u5c42\u9762\u4e0a\u4e3a\u8be5\u7528\u6237\u63d0\u4f9b\u4e86\u4e00\u6761\u4e13\u7528\u7684\u5c04\u9891\u4fe1\u9053\u3002\u8fd9\u662f\u4e00\u79cd\u771f\u6b63\u7684\u7269\u7406\u72ec\u5360\u6a21\u5f0f\uff0c\u4fe1\u9053\u5e26\u5bbd\u4e0d\u4f1a\u53d7\u5230\u90bb\u5c45\u4e0a\u7f51\u884c\u4e3a\u7684\u6324\u538b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u9ad8\u57fa\u51c6\u7801\u7387\u4e0e\u6297\u538b\u80fd\u529b<\/h4>\n\n\n\n<p>\u57fa\u4e8e\u7269\u7406\u7ea7\u522b\u7684\u72ec\u5360\u6027\uff0c\u6709\u7ebf\u6570\u5b57\u7535\u89c6\u5728\u4f20\u8f93\u9ad8\u6e05\u9891\u9053\u65f6\uff0c\u901a\u5e38\u4f1a\u7ed9\u51fa\u9ad8\u8fbe12Mbps\u81f320Mbps\u7684\u9ad8\u989d\u6052\u5b9a\u7801\u7387\u3002\u6625\u665a\u573a\u666f\u5305\u542b\u5927\u9762\u79ef\u7684\u9c9c\u8273\u8272\u5f69\u3001\u9891\u7e41\u5207\u6362\u7684\u673a\u4f4d\u4ee5\u53ca\u6f2b\u5929\u98de\u821e\u7684\u7eb8\u5c51\u3002\u5728\u89c6\u9891\u5de5\u7a0b\u4e2d\uff0c\u8fd9\u7c7b\u753b\u9762\u88ab\u79f0\u4e3a\u9ad8\u71b5\u573a\u666f\u3002\u6709\u7ebf\u7535\u89c6\u7684\u9ad8\u6807\u51c6CBR\u7b56\u7565\u80fd\u591f\u63d0\u4f9b\u8db3\u591f\u7684\u5197\u4f59\u6570\u636e\u7a7a\u95f4\uff0c\u786c\u625b\u4e0b\u8fd9\u4e9b\u77ac\u95f4\u7206\u53d1\u7684\u6570\u636e\u6d2a\u6d41\uff0c\u6700\u5927\u7a0b\u5ea6\u4e0a\u4fdd\u7559\u753b\u9762\u7ec6\u8282\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u3001 IPTV\uff1a\u4e13\u7f51\u4e13\u7ebf\u4e0b\u7684\u4e3b\u6d41\u753b\u8d28\u5929\u82b1\u677f<\/h3>\n\n\n\n<p>IPTV\uff08\u4ea4\u4e92\u5f0f\u7f51\u7edc\u7535\u89c6\uff09\u4ee3\u8868\u7740\u76ee\u524d\u5bb6\u5ead\u5e38\u89c4\u76f4\u64ad\u6d41\u753b\u8d28\u7684\u6700\u4f18\u89e3\u3002\u5b83\u662f\u6307\u901a\u8fc7\u7535\u4fe1\u8fd0\u8425\u5546\u63d0\u4f9b\u7684\u4e13\u7528\u7f51\u7edc\u7ebf\u8def\uff0c\u914d\u5408\u4e13\u7528\u673a\u9876\u76d2\u8fdb\u884c\u89e3\u7801\u64ad\u653e\u7684\u7535\u89c6\u670d\u52a1\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u903b\u8f91\u9694\u79bb\u7684IP\u4e13\u7f51<\/h4>\n\n\n\n<p>IPTV\u4e0e\u666e\u901a\u5bb6\u5ead\u5bbd\u5e26\u4f7f\u7528\u7684\u662f\u540c\u4e00\u4e2a\u5149\u732b\uff0c\u4f46\u5728\u5c40\u57df\u7f51\u5e95\u5c42\u914d\u7f6e\u4e0a\uff0cIPTV\u8d70\u7684\u662f\u8fd0\u8425\u5546\u6784\u5efa\u7684\u4e13\u6709IP\u7f51\u7edc\u3002\u8fd9\u4e2a\u7f51\u7edc\u4e0e\u516c\u5171\u4e92\u8054\u7f51\u662f\u903b\u8f91\u9694\u79bb\u7684\u3002\u65e0\u8bba\u7528\u6237\u5728\u5c40\u57df\u7f51\u5185\u8fdb\u884c\u591a\u4e48\u5360\u7528\u5e26\u5bbd\u7684\u4e0b\u8f7d\u4efb\u52a1\uff0cIPTV\u7684\u89c6\u9891\u6d41\u90fd\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\uff0c\u56e0\u4e3a\u5b83\u5728\u8def\u7531\u5668\u5e95\u5c42\u88ab\u8d4b\u4e88\u4e86\u6700\u9ad8\u7ea7\u522b\u7684\u670d\u52a1\u8d28\u91cf\uff08QoS\uff09\u4fdd\u969c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u7ec4\u64ad\u6280\u672f\u7684\u67b6\u6784\u4f18\u52bf<\/h4>\n\n\n\n<p>IPTV\u6838\u5fc3\u6cd5\u5b9d\u5728\u4e8e\u7ec4\u64ad\uff08IGMP\uff09\u534f\u8bae\u3002\u5728\u5355\u64ad\u7f51\u7edc\u4e2d\uff0c\u4e00\u4e07\u4e2a\u7528\u6237\u89c2\u770b\u76f4\u64ad\uff0c\u670d\u52a1\u5668\u9700\u53d1\u9001\u4e00\u4e07\u4efd\u6570\u636e\u6d41\uff1b\u800cIPTV\u7684\u7ec4\u64ad\u6280\u672f\uff0c\u4f7f\u5f97\u670d\u52a1\u5668\u53ea\u9700\u53d1\u9001\u4e00\u4efd\u6570\u636e\u6d41\uff0c\u6570\u636e\u6d41\u5728\u5404\u7ea7\u8def\u7531\u5668\u6839\u636e\u8ba2\u9605\u9700\u6c42\u8fdb\u884c\u786c\u4ef6\u7ea7\u522b\u590d\u5236\u3002\u8fd9\u5927\u5e45\u964d\u4f4e\u4e86\u9aa8\u5e72\u7f51\u6d88\u8017\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u8d85\u9ad8\u7801\u7387\u4e0e\u5148\u8fdb\u7f16\u7801\u7ed3\u5408<\/h4>\n\n\n\n<p>\u5f97\u76ca\u4e8e\u4e13\u7f51\u4e14\u907f\u5f00\u516c\u7f51\u62e5\u5835\uff0c\u76ee\u524d\u5f88\u591a\u5730\u533a\u7684IPTV 4K\u76f4\u64ad\u9891\u9053\uff0c\u666e\u904d\u91c7\u7528\u4e86\u5148\u8fdb\u7684H.265\u7f16\u7801\u683c\u5f0f\uff0c\u5206\u914d\u7684\u5b9e\u65f6\u7801\u7387\u53ef\u7a33\u5b9a\u572830Mbps\u751a\u81f3\u8d85\u8fc750Mbps\u3002\u5728\u8fd9\u79cd\u7f51\u7edc\u67b6\u6784\u52a0\u6301\u4e0b\uff0cIPTV\u5f7b\u5e95\u78be\u538b\u4e86\u6240\u6709\u4f9d\u9760\u516c\u7f51\u4f20\u8f93\u7684\u6d41\u5a92\u4f53\u5e73\u53f0\u3002<\/p>\n\n\n\n<p>4. \u592e\u89c68K\u8d85\u9ad8\u6e05\uff1a\u5e7f\u7535\u4f20\u8f93\u6280\u672f\u7684\u7ec8\u6781\u5f62\u6001<\/p>\n\n\n\n<p>\u5728\u63a2\u8ba8\u4e86\u5404\u79cd\u5e38\u89c4\u4f20\u8f93\u67b6\u6784\u4e4b\u540e\uff0c\u4e0d\u5f97\u4e0d\u63d0\u53ca\u76ee\u524d\u56fd\u5185\u5e7f\u7535\u4e0e\u89c6\u9891\u9886\u57df\u7684\u7edd\u5bf9\u6027\u80fd\u602a\u517d\uff1a\u592e\u89c68K\u8d85\u9ad8\u6e05\u9891\u9053\uff08CCTV-8K\uff09\u3002\u5982\u679c\u8bf4\u6d41\u5a92\u4f53\u76844K\u662f\u5728\u5e26\u5bbd\u6781\u5ea6\u53d7\u9650\u4e0b\u7684\u59a5\u534f\u4ea7\u7269\uff0c\u90a3\u4e48\u592e\u89c6\u76848K\u8f6c\u64ad\u5219\u662f\u4e0d\u8ba1\u7f51\u7edc\u6210\u672c\u7684\u6280\u672f\u808c\u8089\u5c55\u793a\u3002\u8fd9\u79cd\u7ea7\u522b\u7684\u4fe1\u53f7\u6e90\uff0c\u666e\u901a\u516c\u7f51\u6d41\u5a92\u4f53\u6839\u672c\u65e0\u6cd5\u627f\u8f7d\uff0c\u76ee\u524d\u4ec5\u80fd\u901a\u8fc7\u90e8\u5206\u7701\u5e02\u7684IPTV\u4e13\u7f51\u3001\u6709\u7ebf\u7535\u89c6\u7f51\u4ee5\u53ca\u5730\u6807\u5927\u5c4f\u76845G\u4e13\u7f51\u8fdb\u884c\u5206\u53d1\u3002<\/p>\n\n\n\n<p>\u592e\u89c68K\u9891\u9053\u5728\u9762\u5bf9\u6625\u665a\u7b49\u6781\u9ad8\u71b5\u573a\u666f\u65f6\u4f9d\u7136\u80fd\u4fdd\u6301\u4ee4\u4eba\u60ca\u53f9\u7684\u7ec6\u8282\uff0c\u5b8c\u5168\u5f97\u76ca\u4e8e\u5176\u6781\u5176\u5962\u534e\u7684\u6280\u672f\u89c4\u683c\u8bbe\u5b9a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5206\u8fa8\u7387\u4e0e\u5e27\u7387\uff1a\u7269\u7406\u5206\u8fa8\u7387\u8fbe\u5230 7680\u4e584320\uff0c\u5355\u5e27\u50cf\u7d20\u91cf\u9ad8\u8fbe3300\u4e07\uff0c\u662f\u6807\u51c64K\u76844\u500d\uff0c1080P\u768416\u500d\u3002\u914d\u5408 50fps \u7684\u5e27\u7387\uff0c\u786e\u4fdd\u4e86\u821e\u53f0\u9ad8\u901f\u8fd0\u52a8\u753b\u9762\u7684\u6781\u5ea6\u5e73\u6ed1\u3002<\/li>\n\n\n\n<li>\u89c6\u9891\u7f16\u89e3\u7801\u6807\u51c6\uff1a\u5e76\u672a\u91c7\u7528\u6d77\u5916\u5e38\u89c1\u7684H.265\u683c\u5f0f\uff0c\u800c\u662f\u5168\u9762\u91c7\u7528\u4e86\u4e2d\u56fd\u5177\u6709\u81ea\u4e3b\u77e5\u8bc6\u4ea7\u6743\u7684\u7b2c\u4e09\u4ee3\u97f3\u89c6\u9891\u7f16\u89e3\u7801\u6280\u672f\u6807\u51c6 AVS3\u3002AVS3\u662f\u5168\u7403\u9996\u4e2a\u9762\u54118K\u53ca5G\u4ea7\u4e1a\u5e94\u7528\u7684\u89c6\u9891\u7f16\u7801\u6807\u51c6\uff0c\u5176\u540c\u7b49\u753b\u8d28\u4e0b\u7684\u538b\u7f29\u6548\u7387\u6bd4H.265\u63d0\u5347\u4e86\u7ea630%\u4ee5\u4e0a\uff0c\u4e13\u4e3a\u8d85\u9ad8\u6e05\u7684\u6d77\u91cf\u6570\u636e\u91cf\u8eab\u5b9a\u5236\u3002<\/li>\n\n\n\n<li>\u8272\u5f69\u4e0e\u52a8\u6001\u8303\u56f4\uff1a\u91c7\u7528 BT.2020 \u5e7f\u8272\u57df\u6807\u51c6\uff0c\u5e76\u652f\u6301 10-bit \u8272\u6df1\uff0c\u80fd\u591f\u5c55\u73b0\u8d85\u8fc710\u4ebf\u79cd\u8272\u5f69\u8fc7\u6e21\u3002\u5728\u52a8\u6001\u8303\u56f4\u4e0a\uff0c\u652f\u6301 HLG\uff08\u6df7\u5408\u5bf9\u6570\u4f3d\u9a6c\uff09\u4ee5\u53ca\u4e2d\u56fd\u4e3b\u5bfc\u7684 HDR Vivid\uff08\u83c1\u5f69HDR\uff09\u6807\u51c6\uff0c\u4f7f\u5f97\u665a\u4f1a\u821e\u53f0\u706f\u5149\u7684\u6781\u4eae\u90e8\u5206\u4e0e\u6697\u90e8\u9634\u5f71\u90fd\u80fd\u4fdd\u7559\u4e30\u5bcc\u7684\u5c42\u6b21\uff0c\u5f7b\u5e95\u6d88\u9664\u8272\u5f69\u65ad\u5c42\u3002<\/li>\n\n\n\n<li>\u6c89\u6d78\u5f0f\u97f3\u9891\u6d41\uff1a\u97f3\u9891\u6d41\u91c7\u7528\u4e86 Audio Vivid\uff08\u4e09\u7ef4\u58f0\uff09\u6280\u672f\u6807\u51c6\u3002\u4e0d\u4ec5\u5305\u542b\u4f20\u7edf\u7684\u5e73\u9762\u73af\u7ed5\u58f0\uff0c\u8fd8\u589e\u52a0\u4e86\u57fa\u4e8e\u5bf9\u8c61\u7684\u9ad8\u5ea6\u7ef4\u5ea6\u7684\u58f0\u97f3\u4fe1\u606f\uff0c\u80fd\u591f\u5728\u5bb6\u5ead\u5f71\u9662\u4e2d\u7cbe\u51c6\u8fd8\u539f\u6f14\u64ad\u5927\u5385\u7684\u771f\u5b9e\u4e09\u7ef4\u7a7a\u95f4\u611f\u3002<\/li>\n\n\n\n<li>\u60ca\u4eba\u7684\u4f20\u8f93\u7801\u7387\uff1a\u8fd9\u662f\u78be\u538b\u6d41\u5a92\u4f53\u7684\u6838\u5fc3\u6570\u636e\u3002\u4e3a\u4e86\u627f\u8f7d\u4e0a\u8ff0\u5e9e\u5927\u7684\u89c6\u97f3\u9891\u4fe1\u606f\uff0c\u592e\u89c68K\u9891\u9053\u5728IPTV\u4e13\u7f51\u6216\u6709\u7ebf\u7f51\u4e2d\u7684\u4f20\u8f93\u7801\u7387\uff0c\u901a\u5e38\u88ab\u8bbe\u5b9a\u5728 80Mbps \u5230 120Mbps \u4e4b\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5f53120Mbps\u7684\u6570\u636e\u6d2a\u6d41\u914d\u5408\u6781\u9ad8\u6548\u7387\u7684AVS3\u7f16\u7801\u5668\uff0c\u6625\u665a\u821e\u53f0\u4e0a\u6f2b\u5929\u98de\u821e\u7684\u7eb8\u5c51\u5c31\u4e0d\u518d\u662f\u5bfc\u81f4\u5168\u5c4f\u9a6c\u8d5b\u514b\u7684\u7f16\u7801\u5668\u5669\u68a6\uff0c\u800c\u662f\u5316\u4f5c\u4e86\u5c4f\u5e55\u4e0a\u5206\u6beb\u6bd5\u73b0\u7684\u771f\u5b9e\u7ec6\u8282\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u56db\u3001 \u6d41\u5a92\u4f53\uff08OTT\uff09\uff1a\u516c\u5171\u4e92\u8054\u7f51\u7684\u62e5\u5835\u4e0e\u6210\u672c\u59a5\u534f<\/h3>\n\n\n\n<p>\u56de\u5230\u53d7\u4f17\u6700\u5e7f\uff0c\u5374\u56e0\u753b\u8d28\u88ab\u5410\u69fd\u6700\u591a\u7684\u6d41\u5a92\u4f53\u5e73\u53f0\u3002\u5373\u4fbf\u5e73\u53f0\u638c\u63e1\u7740VP9\u3001AV1\u7b49\u6700\u5148\u8fdb\u7684\u7f16\u7801\u5668\uff0c\u4e3a\u4f55\u5728\u64ad\u653e\u6625\u665a\u65f6\u4f9d\u7136\u5448\u73b0\u9a6c\u8d5b\u514b\u753b\u8d28\uff1f\u8fd9\u5fc5\u987b\u4ece\u4e92\u8054\u7f51\u5546\u4e1a\u6cd5\u5219\u8bf4\u8d77\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u5355\u64ad\u4e0e\u5c3d\u529b\u800c\u4e3a\u7684\u516c\u7f51\u4f20\u8f93<\/h4>\n\n\n\n<p>\u6d41\u5a92\u4f53\u5b8c\u5168\u4f9d\u8d56\u516c\u5171\u4e92\u8054\u7f51\u8fdb\u884c\u4f20\u8f93\u3002\u516c\u7f51\u91c7\u7528\u7684\u662f\u5c3d\u529b\u800c\u4e3a\u673a\u5236\uff0c\u62e5\u5835\u548c\u4e22\u5305\u662f\u5e38\u6001\u3002\u66f4\u4e3a\u81f4\u547d\u7684\u662f\uff0c\u6d41\u5a92\u4f53\u91c7\u7528\u5355\u64ad\u534f\u8bae\u3002\u4e94\u5343\u4e07\u4eba\u770b\u8de8\u5e74\u76f4\u64ad\uff0cCDN\u5c31\u5fc5\u987b\u5efa\u7acb\u4e94\u5343\u4e07\u4e2a\u8fde\u63a5\uff0c\u53d1\u9001\u4e94\u5343\u4e07\u4efd\u72ec\u7acb\u6570\u636e\u6d41\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u5546\u4e1a\u903b\u8f91\uff1a\u5e26\u5bbd\u5373\u662f\u771f\u91d1\u767d\u94f6<\/h4>\n\n\n\n<p>\u6d41\u5a92\u4f53\u6700\u5927\u5f00\u9500\u4e4b\u4e00\u662f\u5411\u7f51\u7edc\u8fd0\u8425\u5546\u652f\u4ed8\u5e26\u5bbd\u6d41\u91cf\u8d39\u3002\u5728\u5355\u64ad\u67b6\u6784\u4e0b\uff0c\u8fd9\u7b14\u8d39\u7528\u968f\u89c2\u770b\u4eba\u6570\u5448\u7ebf\u6027\u7206\u70b8\u589e\u957f\u3002\u4e3a\u4e86\u63a7\u5236\u6210\u672c\uff0c\u6d41\u5a92\u4f53\u5e73\u53f0\u53ea\u80fd\u5728\u538b\u7f29\u53c2\u6570\u4e0a\u505a\u6587\u7ae0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6781\u9650\u53ef\u53d8\u7801\u7387\uff08VBR\uff09\uff1a\u5728\u753b\u9762\u9759\u6b62\u573a\u666f\u4e0b\uff0c\u7801\u7387\u53ef\u80fd\u88ab\u538b\u69a8\u5230\u6781\u4f4e\uff0c\u4ee5\u6b64\u8282\u7701\u6d41\u91cf\u3002<\/li>\n\n\n\n<li>\u81ea\u9002\u5e94\u7801\u7387\u6d41\uff08ABR\uff09\uff1a\u64ad\u653e\u5668\u5b9e\u65f6\u76d1\u6d4b\u7f51\u901f\uff0c\u5728\u4f4e\u5206\u8fa8\u7387\u548c\u9ad8\u5206\u8fa8\u7387\u5207\u7247\u95f4\u5207\u6362\uff0c\u9996\u8981\u76ee\u7684\u662f\u9632\u5361\u987f\u548c\u7701\u94b1\u3002\u5373\u4fbf\u64ad\u653e4K\uff0c\u6700\u9ad8\u7801\u7387\u4e5f\u5e38\u88ab\u4e25\u683c\u9650\u5236\u572810Mbps\u5de6\u53f3\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u6625\u665a\u6210\u4e3a\u7f16\u7801\u5668\u5730\u72f1\uff1a\u5e27\u95f4\u9884\u6d4b\u5931\u6548<\/h4>\n\n\n\n<p>\u89c6\u9891\u5927\u5e45\u538b\u7f29\u4f9d\u8d56\u4e8e\u76f8\u90bb\u5e27\u7684\u7a7a\u95f4\u548c\u65f6\u95f4\u5197\u4f59\u3002\u7f16\u7801\u5668\u4f1a\u5229\u7528P\u5e27\u548cB\u5e27\u8bb0\u5f55\u753b\u9762\u4e2d\u79fb\u52a8\u7684\u50cf\u7d20\u8f68\u8ff9\uff08\u8fd0\u52a8\u77e2\u91cf\uff09\uff0c\u800c\u4e0d\u662f\u8bb0\u5f55\u5b8c\u6574\u7684\u753b\u9762\u3002<\/p>\n\n\n\n<p>\u7136\u800c\uff0c\u6625\u665a\u73b0\u573a\u5145\u65a5\u7740\u95ea\u70c1\u7684\u5149\u675f\u706f\u548c\u6f2b\u5929\u98de\u821e\u7684\u5f69\u8272\u7eb8\u5c51\u3002\u8fd9\u4e9b\u7eb8\u5c51\u5728\u4e09\u7ef4\u7a7a\u95f4\u505a\u65e0\u89c4\u5219\u8fd0\u52a8\uff0c\u5bfc\u81f4\u6bcf\u4e00\u5e27\u4e0e\u4e0a\u4e00\u5e27\u76f8\u6bd4\uff0c\u6240\u6709\u50cf\u7d20\u90fd\u5728\u53d1\u751f\u4e0d\u53ef\u9884\u6d4b\u7684\u6539\u53d8\u3002\u7b97\u6cd5\u5728\u8fdb\u884c\u533a\u5757\u5339\u914d\u65f6\u5f7b\u5e95\u7edd\u671b\uff0c\u65e0\u6cd5\u627e\u5230\u76f8\u4f3c\u7684\u53c2\u8003\u5e27\u3002<\/p>\n\n\n\n<p>\u6b64\u65f6\uff0c\u7f16\u7801\u5668\u9677\u5165\u4e24\u96be\uff1a\u7a81\u7834\u6700\u9ad8\u7801\u7387\u9650\u5236\uff08\u5bfc\u81f4\u5e26\u5bbd\u6210\u672c\u8d85\u6807\u53ca\u5927\u89c4\u6a21\u5361\u987f\uff09\uff0c\u6216\u9075\u5b88\u9650\u5236\u5f3a\u884c\u524a\u51cf\u7ec6\u8282\u3002\u5de5\u7a0b\u5b9e\u8df5\u4e2d\uff0c\u7f16\u7801\u5668\u4f1a\u9009\u62e9\u8c03\u9ad8\u91cf\u5316\u53c2\u6570\uff0c\u50cf\u7c97\u7cd9\u7684\u780d\u5200\u4e00\u6837\u780d\u6389\u9ad8\u9891\u7ec6\u8282\uff0c\u5c06\u76f8\u90bb\u50cf\u7d20\u5408\u5e76\u6210\u7edf\u4e00\u989c\u8272\u7684\u8272\u5757\u3002\u6700\u7ec8\u5448\u73b0\u7684\u5c31\u662f\u5f7b\u5e95\u7cca\u6210\u4e00\u56e2\u7684\u4eba\u8138\u548c\u9a6c\u8d5b\u514b\u533a\u5757\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e94\u3001 \u6280\u672f\u7ef4\u5ea6\u7684\u5168\u666f\u5bf9\u6bd4\u4e0e\u603b\u7ed3<\/h3>\n\n\n\n<p>\u901a\u8fc7\u5bf9\u8fd9\u4e94\u79cd\u4e0d\u540c\u6280\u672f\u6807\u51c6\u7684\u89e3\u6784\uff0c\u53ef\u4ee5\u6e05\u6670\u5730\u5f52\u7eb3\u51fa\u5b83\u4eec\u5728\u753b\u8d28\u8868\u73b0\u4e0a\u7684\u672c\u8d28\u5dee\u5f02\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\u4f20\u8f93\u67b6\u6784<\/strong><\/td><td><strong>\u5e95\u5c42\u4ecb\u8d28<\/strong><\/td><td><strong>\u7f51\u7edc\u534f\u8bae<\/strong><\/td><td><strong>\u6838\u5fc3\u7f16\u7801\u4e0e\u7801\u7387\u7b56\u7565<\/strong><\/td><td><strong>\u9ad8\u52a8\u6001\u590d\u6742\u753b\u9762\u8868\u73b0<\/strong><\/td><td><strong>\u6838\u5fc3\u5236\u7ea6\u56e0\u7d20<\/strong><\/td><\/tr><\/thead><tbody><tr><td>\u5e7f\u64ad\u7535\u89c6 (OTA)<\/td><td>\u65e0\u7ebf\u7535\u78c1\u6ce2<\/td><td>\u5e7f\u64ad<\/td><td>MPEG2\/H.264\uff0c\u6052\u5b9a\u4f4e\u7801\u7387<\/td><td>\u7a33\u5b9a\uff0c\u4e0d\u6613\u4ea7\u751f\u9a6c\u8d5b\u514b<\/td><td>\u65e0\u7ebf\u7535\u9891\u8c31\u8d44\u6e90\u4e0a\u9650<\/td><\/tr><tr><td>\u6709\u7ebf\u7535\u89c6 (Cable)<\/td><td>\u540c\u8f74\u7535\u7f06\/\u5149\u7ea4<\/td><td>\u7269\u7406\u4fe1\u9053\u72ec\u5360<\/td><td>H.264\uff0c\u9ad8\u6807\u51c6\u6052\u5b9a\u7801\u7387<\/td><td>\u6781\u5176\u7a33\u5b9a\uff0c\u9ad8\u71b5\u573a\u666f\u7ec6\u8282\u597d<\/td><td>\u5c01\u95ed\u7f51\u7edc\uff0c\u96be\u5b9e\u73b0\u591a\u7aef\u70b9\u64ad<\/td><\/tr><tr><td>IPTV (4K)<\/td><td>\u8fd0\u8425\u5546IP\u4e13\u7f51<\/td><td>\u7ec4\u64ad+QoS\u4fdd\u969c<\/td><td>H.265\uff0c\u9ad8\u8fbe50Mbps\u7801\u7387<\/td><td>\u6781\u4f73\uff0c\u5e38\u89c4\u9ad8\u52a8\u6001\u76f4\u64ad\u5929\u82b1\u677f<\/td><td>\u5fc5\u987b\u7ed1\u5b9a\u7279\u5b9a\u8fd0\u8425\u5546\u5bbd\u5e26\u57fa\u5efa<\/td><\/tr><tr><td>\u592e\u89c68K\u9891\u9053<\/td><td>IP\u4e13\u7f51\/\u5e7f\u7535\u7f51<\/td><td>\u7ec4\u64ad\/\u7269\u7406\u72ec\u5360<\/td><td>AVS3\uff0c80-120Mbps\u8d85\u9ad8\u7801\u7387<\/td><td>\u7ec8\u6781\u753b\u8d28\uff0c\u5206\u6beb\u6bd5\u73b0\u65e0\u60e7\u7eb8\u5c51<\/td><td>\u7ec8\u7aef\u8bbe\u5907\u6602\u8d35\uff0c\u6781\u5403\u4e13\u7f51\u5e26\u5bbd<\/td><\/tr><tr><td>\u6d41\u5a92\u4f53 (OTT)<\/td><td>\u516c\u5171\u4e92\u8054\u7f51<\/td><td>\u5355\u64ad<\/td><td>VBR\/ABR\uff0c\u53d7\u9650\u4e8e\u6210\u672c\u548c\u7f51\u901f<\/td><td>\u6781\u5dee\uff0c\u4e25\u91cd\u9a6c\u8d5b\u514b\u4e0e\u6d82\u62b9<\/td><td>CDN\u6d41\u91cf\u6210\u672c\u6781\u9ad8\uff0c\u516c\u7f51\u62e5\u5835<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5f53\u4ee3\u89c2\u4f17\u5728\u6d41\u5a92\u4f53\u5e73\u53f0\u4e0a\u611f\u53d7\u5230\u7684\u753b\u8d28\u52a3\u5316\uff0c\u5e76\u4e0d\u662f\u6570\u5b57\u7f16\u89e3\u7801\u6280\u672f\u7684\u5012\u9000\uff0c\u800c\u662f\u4e92\u8054\u7f51\u5355\u64ad\u67b6\u6784\u4e3a\u4e86\u5b9e\u73b0\u6d77\u91cf\u7528\u6237\u7684\u65e0\u969c\u788d\u63a5\u5165\uff0c\u800c\u5728\u5546\u4e1a\u6210\u672c\u548c\u6781\u9650\u5e26\u5bbd\u4e4b\u95f4\u505a\u51fa\u7684\u5fc5\u7136\u59a5\u534f\u3002\u5c0f\u65f6\u5019\u90a3\u79cd\u7a33\u5b9a\u624e\u5b9e\u7684\u6709\u7ebf\u7535\u89c6\u753b\u8d28\uff0c\u4ee5\u53ca\u5982\u4eca\u4ee3\u8868\u5e7f\u7535\u6700\u9ad8\u6c34\u51c6\u76848K\u4e13\u7f51\u4fe1\u53f7\uff0c\u5176\u80cc\u540e\u90fd\u662f\u72ec\u5360\u4fe1\u9053\u5e26\u6765\u7684\u4e0d\u8ba1\u6210\u672c\u7684\u6570\u636e\u503e\u6ce8\u3002\u5728\u5d07\u5c1a\u6d41\u91cf\u7ecf\u6d4e\u7684\u6d41\u5a92\u4f53\u65f6\u4ee3\uff0c\u8fd9\u79cd\u4f20\u8f93\u65b9\u5f0f\u6ce8\u5b9a\u662f\u4e00\u79cd\u6602\u8d35\u7684\u53e4\u5178\u6d6a\u6f2b\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f88\u591a\u4eba\u5728\u89c2\u770b\u5404\u5730\u6625\u665a\u3001\u8de8\u5e74\u6f14\u5531\u4f1a\u7b49\u5927\u578b\u76f4\u64ad\u8282\u76ee\u65f6\uff0c\u90fd\u4f1a\u4ea7\u751f\u4e00\u79cd\u5f3a\u70c8\u7684\u89c6\u89c9\u843d\u5dee\uff1a\u5728\u6807\u79f01080P\u751a\u81f34K\u7684YouTube\u7b49\u6d41\u5a92\u4f53\u5e73\u53f0\u4e0a\uff0c\u753b\u9762\u7ecf\u5e38\u60e8\u4e0d\u5fcd\u7779\uff0c\u4eba\u8138\u6a21\u7cca\u4e0d\u6e05\uff0c\u6ee1\u5c4f\u90fd\u662f\u9a6c\u8d5b\u514b\u3002\u8fd9\u79cd\u4f53\u9a8c\u751a\u81f3\u8ba9\u4eba\u89c9\u5f97\uff0c\u73b0\u5728\u7684\u6d41\u5a92\u4f53\u753b\u8d28\u8fd8\u4e0d\u5982\u7ae5\u5e74\u65f6\u4ee3\u901a\u8fc7\u540c\u8f74\u7535\u7f06\u89c2\u770b\u7684\u6709\u7ebf\u7535\u89c6\u3002 \u8fd9\u5e76\u975e\u51fa\u4e8e\u6000\u65e7\u7684\u5fc3\u7406\u6ee4\u955c\uff0c\u800c\u662f\u4e00\u4e2a\u6781\u5176\u7cbe\u51c6\u4e14\u7b26\u5408\u73b0\u4ee3\u89c6\u9891\u7f16\u89e3\u7801\u4e0e\u7f51\u7edc\u4f20\u8f93\u5e95\u5c42\u903b\u8f91\u7684\u6280\u672f\u89c2\u5bdf\u3002\u957f\u89c6\u9891\u53e0\u52a0\u968f\u610f\u7684\u538b\u7f29\u53c2\u6570\uff0c\u4ee5\u53ca\u6d41\u5a92\u4f53\u65f6\u4ee3\u201c\u5e26\u5bbd\u5373\u6210\u672c\u201d\u7684\u5546\u4e1a\u903b\u8f91\uff0c\u5171\u540c\u7f14\u9020\u4e86\u8fd9\u79cd\u753b\u8d28\u964d\u7ea7\u7684\u73b0\u8c61\u3002 \u4e3a\u4e86\u5f7b\u5e95\u5398\u6e05\u8fd9\u4e2a\u6280\u672f\u73b0\u8c61\uff0c\u672c\u6587\u5c06\u4ee5\u5ba2\u89c2\u7684\u6280\u672f\u89c6\u89d2\uff0c\u6df1\u5ea6\u5256\u6790\u89c6\u9891\u4f20\u8f93\u9886\u57df\u7684\u56db\u5927\u6838\u5fc3\u67b6\u6784\uff1a\u5e7f\u64ad\u7535\u89c6\u3001\u6709\u7ebf\u7535\u89c6\u3001IPTV\u4ee5\u53ca\u6d41\u5a92\u4f53\uff08OTT\uff09\uff0c\u5e76\u7279\u522b\u5f15\u5165\u592e\u89c68K\u8d85\u9ad8\u6e05\u9891\u9053\u7684\u7ec8\u6781\u6280\u672f\u89c4\u683c\u4f5c\u4e3a\u53c2\u7167\u7cfb\u3002\u901a\u8fc7\u5bf9\u6bd4\u5b83\u4eec\u7684\u5e95\u5c42\u7269\u7406\u5a92\u4ecb\u3001\u7f51\u7edc\u4f20\u8f93\u534f\u8bae\u3001\u7f16\u89e3\u7801\u7b56\u7565\u4ee5\u53ca\u5546\u4e1a\u9a71\u52a8\u529b\uff0c\u6765\u63ed\u5f00\u8fd9\u573a\u753b\u8d28\u6f14\u53d8\u80cc\u540e\u7684\u771f\u6b63\u539f\u56e0\u3002 \u89c6\u9891\u753b\u8d28\u7684\u6838\u5fc3\u6096\u8bba\uff1a\u5206\u8fa8\u7387\u4e0d\u7b49\u4e8e\u6e05\u6670\u5ea6 \u5728\u6df1\u5165\u63a2\u8ba8\u56db\u5927\u4f20\u8f93\u67b6\u6784\u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u786e\u7acb\u4e00\u4e2a\u89c6\u9891\u5de5\u7a0b\u5b66\u7684\u57fa\u7840\u5171\u8bc6\uff1a\u5206\u8fa8\u7387\u4ec5\u4ec5\u4ee3\u8868\u753b\u9762\u5305\u542b\u7684\u50cf\u7d20\u6570\u91cf\uff0c\u800c\u771f\u6b63\u51b3\u5b9a\u4eba\u773c\u611f\u77e5\u753b\u9762\u7684\u6e05\u6670\u5ea6\u4e0e\u5e72\u51c0\u7a0b\u5ea6\u7684\u6838\u5fc3\u6307\u6807\uff0c\u662f\u7801\u7387\uff08Bitrate\uff09\u3002 \u7801\u7387\u662f\u6307\u5355\u4f4d\u65f6\u95f4\u5185\u4f20\u8f93\u7684\u89c6\u9891\u6570\u636e\u91cf\u3002\u5728\u89c6\u9891\u7f16\u7801\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8e\u539f\u59cb\u65e0\u538b\u7f29\u7684\u89c6\u9891\u6570\u636e\u91cf\u8fc7\u4e8e\u5e9e\u5927\uff0c\u5fc5\u987b\u7ecf\u8fc7\u6709\u635f\u538b\u7f29\u624d\u80fd\u8fdb\u884c\u4f20\u8f93\u3002\u5f53\u4e00\u4e2a1080P\u7684\u89c6\u9891\u88ab\u5206\u914d\u4e86\u6781\u4f4e\u7684\u7801\u7387\u65f6\uff0c\u7f16\u7801\u5668\u4e3a\u4e86\u5728\u6709\u9650\u7684\u6570\u636e\u91cf\u5185\u5bb9\u7eb3\u4e0b\u6240\u6709\u7684\u50cf\u7d20\uff0c\u5c31\u5fc5\u987b\u91c7\u53d6\u6781\u5176\u6fc0\u8fdb\u7684\u538b\u7f29\u7b97\u6cd5\uff0c\u4e22\u5f03\u5927\u91cf\u7684\u753b\u9762\u7ec6\u8282\u3002\u8fd9\u5c31\u5bfc\u81f4\u4e86\u867d\u7136\u7269\u7406\u5206\u8fa8\u7387\u8fbe\u5230\u4e861920\u4e581080\uff0c\u4f46\u753b\u9762\u4e2d\u5145\u6ee1\u4e86\u88ab\u79f0\u4e3a\u201c\u5b8f\u533a\u5757\u201d\uff08Macroblocks\uff09\u7684\u9a6c\u8d5b\u514b\u7455\u75b5\u3002 \u76f8\u53cd\uff0c\u4e00\u4e2a\u62e5\u6709\u9ad8\u7801\u7387\u652f\u6491\u7684720P\u89c6\u9891\uff0c\u7531\u4e8e\u5176\u538b\u7f29\u6bd4\u76f8\u5bf9\u4fdd\u5b88\uff0c\u4fdd\u7559\u4e86\u66f4\u591a\u7684\u539f\u59cb\u5149\u5b66\u4fe1\u606f\uff0c\u5728\u611f\u5b98\u4e0a\u5f80\u5f80\u4f1a\u6bd4\u4f4e\u7801\u7387\u7684\u201c\u4f2a4K\u201d\u89c6\u9891\u66f4\u52a0\u9510\u5229\u548c\u901a\u900f\u3002\u7406\u89e3\u4e86\u7801\u7387\u4f5c\u4e3a\u753b\u8d28\u74f6\u9888\u7684\u6838\u5fc3\u5730\u4f4d\uff0c\u5c31\u80fd\u987a\u7406\u6210\u7ae0\u5730\u770b\u61c2\u4e0d\u540c\u4f20\u8f93\u65f6\u4ee3\u7684\u753b\u8d28\u5dee\u5f02\u3002 \u4e00\u3001 \u5e7f\u64ad\u7535\u89c6\uff08OTA\uff09\uff1a\u7535\u78c1\u6ce2\u91cc\u7684\u5c3d\u529b\u800c\u4e3a \u5e7f\u64ad\u7535\u89c6\u662f\u4eba\u7c7b\u6700\u65e9\u63a5\u89e6\u7684\u7535\u89c6\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\u3002\u7535\u89c6\u53f0\u901a\u8fc7\u67b6\u8bbe\u5728\u9ad8\u5904\u7684\u53d1\u5c04\u5854\uff0c\u5c06\u643a\u5e26\u7740\u89c6\u9891\u4fe1\u606f\u7684\u65e0\u7ebf\u7535\u78c1\u6ce2\u53d1\u9001\u5230\u5343\u5bb6\u4e07\u6237\u7684\u63a5\u6536\u5929\u7ebf\u4e2d\u3002 1. \u4ece\u6a21\u62df\u5230\u6570\u5b57\u7684\u7269\u7406\u6f14\u8fdb \u5728\u65e9\u671f\u7684\u6a21\u62df\u7535\u89c6\u65f6\u4ee3\uff0c\u89c6\u9891\u4fe1\u53f7\u662f\u4ee5\u8fde\u7eed\u7684\u7535\u78c1\u6ce2\u5f62\u5f0f\u5b58\u5728\u7684\u3002\u6a21\u62df\u4fe1\u53f7\u6ca1\u6709\u73b0\u4ee3\u610f\u4e49\u4e0a\u7684\u6570\u5b57\u538b\u7f29\u6982\u5ff5\uff0c\u56e0\u6b64\u4e5f\u4e0d\u5b58\u5728\u7531\u4e8e\u6570\u5b57\u7f16\u7801\u5bfc\u81f4\u7684\u4eba\u8138\u6a21\u7cca\u6216\u9a6c\u8d5b\u514b\u6548\u5e94\u3002\u53d7\u9650\u4e8e\u5f53\u65f6\u7684\u4f20\u8f93\u6807\u51c6\uff0c\u6a21\u62df\u7535\u89c6\u7684\u6e05\u6670\u5ea6\u8f83\u4f4e\uff0c\u4e14\u6781\u6613\u53d7\u5230\u7535\u78c1\u5e72\u6270\u4ece\u800c\u4ea7\u751f\u566a\u70b9\uff08\u96ea\u82b1\uff09\u548c\u91cd\u5f71\u3002\u7136\u800c\uff0c\u5f97\u76ca\u4e8e\u65e9\u671fCRT\u7535\u89c6\u673a\u81ea\u5e26\u7684\u7269\u7406\u67d4\u5316\u6548\u5e94\uff0c\u8fd9\u79cd\u6ca1\u6709\u6570\u5b57\u5207\u5272\u611f\u7684\u753b\u9762\u5728\u5f88\u591a\u4eba\u7684\u8bb0\u5fc6\u4e2d\u663e\u5f97\u975e\u5e38\u5e73\u6ed1\u3002 \u8fdb\u5165\u6570\u5b57\u5730\u9762\u6ce2\u65f6\u4ee3\u540e\uff0c\u5e7f\u64ad\u7535\u89c6\u8fce\u6765\u4e86\u5f7b\u5e95\u7684\u6570\u5b57\u5316\u91cd\u6784\u3002\u6570\u5b57\u4fe1\u53f7\u91c7\u7528\u4e86MPEG-2\u6216H.264\u7b49\u6807\u51c6\u8fdb\u884c\u7f16\u7801\u3002 2. \u9891\u8c31\u8d44\u6e90\u9650\u5236\u4e0e\u6052\u5b9a\u7801\u7387\u63a7\u5236 \u5728\u5e7f\u64ad\u7535\u89c6\u67b6\u6784\u4e2d\uff0c\u7269\u7406\u5e26\u5bbd\u53d7\u5236\u4e8e\u56fd\u5bb6\u65e0\u7ebf\u7535\u9891\u8c31\u7684\u4e25\u683c\u7ba1\u63a7\u3002\u6839\u636e\u9999\u519c\u5b9a\u7406\uff0c\u4fe1\u9053\u5bb9\u91cf\u53d7\u9650\u4e8e\u5e26\u5bbd\u548c\u4fe1\u566a\u6bd4\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e00\u4e2a\u6807\u51c6\u7684\u7535\u89c6\u9891\u9053\u901a\u5e38\u88ab\u5206\u914d8MHz\u7684\u56fa\u5b9a\u9891\u5bbd\u3002\u901a\u8fc7\u91c7\u7528\u590d\u6742\u7684\u6570\u5b57\u8c03\u5236\u6280\u672f\uff0c\u8fd98MHz\u7684\u7269\u7406\u9891\u5bbd\u5927\u7ea6\u80fd\u591f\u627f\u8f7d20Mbps\u81f330Mbps\u7684\u603b\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002 \u7535\u89c6\u53f0\u4f1a\u5c06\u8fd9\u6709\u9650\u7684\u603b\u7801\u7387\u9759\u6001\u5206\u914d\u7ed9\u5404\u4e2a\u9891\u9053\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u9ad8\u6e05\u9891\u9053\u53ef\u80fd\u4f1a\u88ab\u6c38\u4e45\u5206\u914d12Mbps\u7684\u5e26\u5bbd\u3002\u8fd9\u79cd\u5206\u914d\u6a21\u5f0f\u88ab\u79f0\u4e3a\u6052\u5b9a\u7801\u7387\uff08CBR\uff09\u3002 3. \u52a8\u6001\u573a\u666f\u4e0b\u7684\u753b\u8d28\u8868\u73b0 \u56e0\u4e3a\u5e7f\u64ad\u7535\u89c6\u91c7\u7528\u7684\u662f\u57fa\u4e8e\u7269\u7406\u9891\u6bb5\u7684\u5e7f\u64ad\u6a21\u5f0f\uff0c\u53ea\u8981\u63a5\u6536\u7aef\u7684\u4fe1\u53f7\u5f3a\u5ea6\u8d85\u8fc7\u6700\u4f4e\u9608\u503c\uff0c\u5176\u63a5\u6536\u5230\u7684\u7801\u7387\u5c31\u662f\u7edd\u5bf9\u7a33\u5b9a\u7684\u3002\u8fd9\u79cd\u6052\u5b9a\u4e14\u6709\u4fdd\u969c\u7684\u7801\u7387\uff0c\u4f7f\u5f97\u6570\u5b57\u5e7f\u64ad\u7535\u89c6\u5728\u5448\u73b0\u590d\u6742\u52a8\u6001\u753b\u9762\u65f6\u5177\u6709\u5f88\u9ad8\u7684\u7a33\u5b9a\u6027\u4e0b\u9650\uff0c\u4f46\u53d7\u9650\u4e8e\u4e0d\u53ef\u6269\u5c55\u7684\u9891\u8c31\u8d44\u6e90\uff0c\u5b83\u6c38\u8fdc\u5931\u53bb\u4e86\u5411\u6781\u9ad8\u7801\u73874K\u6f14\u8fdb\u7684\u7a7a\u95f4\u3002 \u4e8c\u3001 \u6709\u7ebf\u7535\u89c6\uff08Cable TV\uff09\uff1a\u7269\u7406\u72ec\u5360\u4fe1\u9053\u7684\u9ec4\u91d1\u5c81\u6708 \u5f53\u6211\u4eec\u8ba8\u8bba\u753b\u8d28\u6781\u5176\u7a33\u5b9a\uff0c\u751a\u81f3\u4f18\u4e8e\u73b0\u4ee3\u6d41\u5a92\u4f53\u65f6\uff0c\u5f80\u5f80\u6307\u7684\u5c31\u662f\u4f20\u7edf\u7684\u540c\u8f74\u6709\u7ebf\u7535\u89c6\u3002\u8fd9\u79cd\u4f20\u8f93\u65b9\u5f0f\u5728\u753b\u8d28\u4e0a\u7684\u4f18\u5f02\u8868\u73b0\uff0c\u662f\u7531\u5176\u5962\u4f88\u7684\u7269\u7406\u67b6\u6784\u51b3\u5b9a\u7684\u3002&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[966],"tags":[963,964,965,837,962,967],"class_list":["post-10594","post","type-post","status-publish","format-standard","hentry","category-video","tag-4k","tag-8k","tag-avs3","tag-bitrate","tag-iptv","tag-streaming","entry","simple"],"_links":{"self":[{"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/posts\/10594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/comments?post=10594"}],"version-history":[{"count":2,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/posts\/10594\/revisions"}],"predecessor-version":[{"id":10596,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/posts\/10594\/revisions\/10596"}],"wp:attachment":[{"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/media?parent=10594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/categories?post=10594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/tags?post=10594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}